Inventor

Thomas D. Petty

Inventor

Tempe, AZ, US

Overview

1986–1998

Patent span

Electricity

Primary field (CPC H)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Fprimary

H03FAmplifiers43%

H02JElectric power networks14%

H03KPulse technique14%

G01RMeasuring electric variables7%

G05FSystems for regulating electric or magnetic variables4%

H01HElectric switches4%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

5,818,201'Circuit and method for battery charge control'1998 5,798,673'Low voltage operational amplifier bias circuit and method'1998 5,726,597'Method and circuit for reducing offset voltages for a differential input stage'1998 5,699,015'Low voltage operational amplifier and method'1997 5,675,268'Overcurrent detection circuit for a power MOSFET and method therefor'1997 5,610,495'Circuit and method of monitoring battery cells'1997 5,521,488'Voltage regulator and method therefor'1996 5,471,174'Amplifier having an output stage with bias current cancellation'1995 5,422,600'Amplifier input stage with charge pump supplying a differential transistor pair'1995 5,422,559'Pulsed battery charger circuit'1995 5,376,875'Battery charger status monitor circuit and method therefor'1994 5,327,100'Negative slew rate enhancement circuit for an operational amplifier'1994 5,311,147'High impedance output driver stage and method therefor'1994 5,285,170'Operational amplifier with all NPN transistor output stage'1994 5,153,529'Rail-to-rail input stage of an operational amplifier'1992 5,140,280'Rail-to-rail output stage of an operational amplifier'1992 5,089,769'Precision current mirror'1992 5,059,921'Amplifier having two operating modes'1991 5,059,923'Fractional load current detector'1991 5,057,709'Current threshold detector circuit'1991 4,581,507'Impact switch'1986 4,572,968'SCR Fire sensitivity control and fire control apparatus'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1998Patents assigned to MOTOROLA INC (22)· patent assignee history

1986–1998Based in Tempe, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOTOROLA INC	22	1986–1998

Locations

Location	Patents	Span
Tempe, AZ, US	22	1986–1998